题目:Given a linked list, swap every two adjacent nodes and return its head.For example,Given 1->2->3->4, you should return the list as 2->1->4->3.http....
分类:
编程语言 时间:
2014-07-23 12:01:06
阅读次数:
330
1.Warning: An incorrect timescale is selected for the Verilog Output (.VO) file of this PLL design. It's required that the timescale should be 1 ps wh...
分类:
其他好文 时间:
2014-07-23 11:56:06
阅读次数:
430
题目:There are two sorted arrays A and B of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity should ...
分类:
编程语言 时间:
2014-07-23 11:49:36
阅读次数:
357
单一职责原则(Single Responsibility Principle),简称SRP。 定义: There should never be more than one reason for a class to change. 应该有且仅有一个原因引起类的变更。 ? 有时候,开发人员设计接口的时...
分类:
其他好文 时间:
2014-07-23 00:34:27
阅读次数:
183
题目
Given an array of integers, every element appears three times except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it wit...
分类:
其他好文 时间:
2014-07-23 00:13:17
阅读次数:
331
最近用JPA遇到这样一个问题:Repeated column in mapping for entity: com.ketayao.security.entity.main.User column: org_id (should be mapped with insert="false" update="false")
这个错误是由实体类引起的,我一开始是这样写的:
@Column
priv...
分类:
移动开发 时间:
2014-07-22 23:47:28
阅读次数:
378
题目:Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the tw....
分类:
编程语言 时间:
2014-07-22 22:47:33
阅读次数:
256
Givenn, generate all structurally uniqueBST's(binary search trees) that store values 1...n.For example,Givenn= 3, your program should return all 5 uni...
分类:
其他好文 时间:
2014-07-22 22:42:33
阅读次数:
243
Input / Output
It should also provide an interface between the devices and the rest of the system that is simple and easy to use. 于是乎这里就有了对于硬盘等IO设备的抽象。
5.1 PRINCIPLES OF I/O HARDWARE...
分类:
其他好文 时间:
2014-07-21 23:31:54
阅读次数:
548
一些IOS开发的心得:1) [Multiple Threads] IOS多线程注意, 所有的UI操作都必须在主线程上:Any code that will update the UI should be done on the main thread. Data loading should typ...
分类:
移动开发 时间:
2014-07-21 23:31:02
阅读次数:
403